Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

TIMOTHY CHAN CHANG

Allopathic & Osteopathic Physicians Urology

NPI
1437594496
CMS profile
6400388
Location
STANFORD, CA

General Payments · PY2019–2024

$10,079.86

  • Reported across 75 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$307.63

37 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $307.63 37

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Janssen Biotech, Inc. $307.63 37

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,033.54 12
PY2020 $340.99 5
PY2021 $8,191.59 6
PY2023 $206.11 15
PY2024 $307.63 37

Payment records · PY2024 (37)

Sorted by paying entity, then date · as published by CMS

Program year 2024 2019202020212023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Janssen Biotech, Inc. $10.44 01/11/2024 Food and Beverage Undisputed 01/23/2026 1078343189 CMS
Janssen Biotech, Inc. $11.69 01/26/2024 Food and Beverage Undisputed 01/23/2026 1078342948 CMS
Janssen Biotech, Inc. $7.89 02/01/2024 Food and Beverage Undisputed 01/23/2026 1078343393 CMS
Janssen Biotech, Inc. $10.70 02/06/2024 Food and Beverage Undisputed 01/23/2026 1078342359 CMS
Janssen Biotech, Inc. $10.88 02/22/2024 Food and Beverage Undisputed 01/23/2026 1078342372 CMS
Janssen Biotech, Inc. $10.37 03/07/2024 Food and Beverage Undisputed 01/23/2026 1078342245 CMS
Janssen Biotech, Inc. $11.96 03/19/2024 Food and Beverage Undisputed 01/23/2026 1078342435 CMS
Janssen Biotech, Inc. $14.85 04/09/2024 Food and Beverage Undisputed 01/23/2026 1078342982 CMS
Janssen Biotech, Inc. $13.34 05/01/2024 Food and Beverage Undisputed 01/23/2026 1078342401 CMS
Janssen Biotech, Inc. $10.70 06/20/2024 Food and Beverage Undisputed 01/23/2026 1078342798 CMS
Janssen Biotech, Inc. $7.41 06/20/2024 Food and Beverage Undisputed 01/23/2026 1078343032 CMS
Janssen Biotech, Inc. $10.32 07/02/2024 Food and Beverage Undisputed 01/23/2026 1078342790 CMS
Janssen Biotech, Inc. $3.68 07/02/2024 Food and Beverage Undisputed 01/23/2026 1078343114 CMS
Janssen Biotech, Inc. $3.89 07/02/2024 Food and Beverage Undisputed 01/23/2026 1078343466 CMS
Janssen Biotech, Inc. $9.62 07/18/2024 Food and Beverage Undisputed 01/23/2026 1078342620 CMS
Janssen Biotech, Inc. $9.22 07/18/2024 Food and Beverage Undisputed 01/23/2026 1078342671 CMS
Janssen Biotech, Inc. $7.70 08/01/2024 Food and Beverage Undisputed 01/23/2026 1078342261 CMS
Janssen Biotech, Inc. $3.21 08/01/2024 Food and Beverage Undisputed 01/23/2026 1078342506 CMS
Janssen Biotech, Inc. $8.85 08/01/2024 Food and Beverage Undisputed 01/23/2026 1078342994 CMS
Janssen Biotech, Inc. $7.33 09/03/2024 Food and Beverage Undisputed 01/23/2026 1078342347 CMS
Janssen Biotech, Inc. $29.42 09/03/2024 Food and Beverage Undisputed 01/23/2026 1078342559 CMS
Janssen Biotech, Inc. $2.32 09/03/2024 Food and Beverage Undisputed 01/23/2026 1078342802 CMS
Janssen Biotech, Inc. $3.37 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078342576 CMS
Janssen Biotech, Inc. $7.44 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078342935 CMS
Janssen Biotech, Inc. $8.79 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078343078 CMS
Janssen Biotech, Inc. $6.44 10/23/2024 Food and Beverage Undisputed 01/23/2026 1078342204 CMS
Janssen Biotech, Inc. $6.63 10/23/2024 Food and Beverage Undisputed 01/23/2026 1078342430 CMS
Janssen Biotech, Inc. $3.24 10/23/2024 Food and Beverage Undisputed 01/23/2026 1078343123 CMS
Janssen Biotech, Inc. $4.51 11/07/2024 Food and Beverage Undisputed 01/23/2026 1078342288 CMS
Janssen Biotech, Inc. $6.02 11/07/2024 Food and Beverage Undisputed 01/23/2026 1078342943 CMS
Janssen Biotech, Inc. $7.10 11/07/2024 Food and Beverage Undisputed 01/23/2026 1078343444 CMS
Janssen Biotech, Inc. $6.66 11/19/2024 Food and Beverage Undisputed 01/23/2026 1078342967 CMS
Janssen Biotech, Inc. $7.99 11/19/2024 Food and Beverage Undisputed 01/23/2026 1078343337 CMS
Janssen Biotech, Inc. $6.30 11/20/2024 Food and Beverage Undisputed 01/23/2026 1078342750 CMS
Janssen Biotech, Inc. $5.67 12/10/2024 Food and Beverage Undisputed 01/23/2026 1078342368 CMS
Janssen Biotech, Inc. $6.70 12/10/2024 Food and Beverage Undisputed 01/23/2026 1078342471 CMS
Janssen Biotech, Inc. $4.98 12/10/2024 Food and Beverage Undisputed 01/23/2026 1078342566 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2019, 2020, 2021, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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